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SL-RN process
met.
SL-RN
回转窑直接还原炼铁
法
(【技】以回转炉、冷却筒为主体设备,用铁矿石或球团矿以及非粘结性动力煤为原料生产直接还原铁的回转窑直接还原法。)
SL -RN process:
7 phrases
in 1 subject
Metallurgy
7
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